	"use strict";

	var rotateLeft = function rotateLeft(lValue, iShiftBits) {
	  return lValue << iShiftBits | lValue >>> 32 - iShiftBits;
	};

	var addUnsigned = function addUnsigned(lX, lY) {
	  var lX4, lY4, lX8, lY8, lResult;
	  lX8 = lX & 0x80000000;
	  lY8 = lY & 0x80000000;
	  lX4 = lX & 0x40000000;
	  lY4 = lY & 0x40000000;
	  lResult = (lX & 0x3FFFFFFF) + (lY & 0x3FFFFFFF);
	  if (lX4 & lY4) return lResult ^ 0x80000000 ^ lX8 ^ lY8;
	  if (lX4 | lY4) {
	    if (lResult & 0x40000000) return lResult ^ 0xC0000000 ^ lX8 ^ lY8;else return lResult ^ 0x40000000 ^ lX8 ^ lY8;
	  } else {
	    return lResult ^ lX8 ^ lY8;
	  }
	};

	var F = function F(x, y, z) {
	  return x & y | ~x & z;
	};

	var G = function G(x, y, z) {
	  return x & z | y & ~z;
	};

	var H = function H(x, y, z) {
	  return x ^ y ^ z;
	};

	var I = function I(x, y, z) {
	  return y ^ (x | ~z);
	};

	var FF = function FF(a, b, c, d, x, s, ac) {
	  a = addUnsigned(a, addUnsigned(addUnsigned(F(b, c, d), x), ac));
	  return addUnsigned(rotateLeft(a, s), b);
	};

	var GG = function GG(a, b, c, d, x, s, ac) {
	  a = addUnsigned(a, addUnsigned(addUnsigned(G(b, c, d), x), ac));
	  return addUnsigned(rotateLeft(a, s), b);
	};

	var HH = function HH(a, b, c, d, x, s, ac) {
	  a = addUnsigned(a, addUnsigned(addUnsigned(H(b, c, d), x), ac));
	  return addUnsigned(rotateLeft(a, s), b);
	};

	var II = function II(a, b, c, d, x, s, ac) {
	  a = addUnsigned(a, addUnsigned(addUnsigned(I(b, c, d), x), ac));
	  return addUnsigned(rotateLeft(a, s), b);
	};

	var convertToWordArray = function convertToWordArray(string) {
	  var lWordCount;
	  var lMessageLength = string.length;
	  var lNumberOfWordsTempOne = lMessageLength + 8;
	  var lNumberOfWordsTempTwo = (lNumberOfWordsTempOne - lNumberOfWordsTempOne % 64) / 64;
	  var lNumberOfWords = (lNumberOfWordsTempTwo + 1) * 16;
	  var lWordArray = Array(lNumberOfWords - 1);
	  var lBytePosition = 0;
	  var lByteCount = 0;
	  while (lByteCount < lMessageLength) {
	    lWordCount = (lByteCount - lByteCount % 4) / 4;
	    lBytePosition = lByteCount % 4 * 8;
	    lWordArray[lWordCount] = lWordArray[lWordCount] | string.charCodeAt(lByteCount) << lBytePosition;
	    lByteCount++;
	  }
	  lWordCount = (lByteCount - lByteCount % 4) / 4;
	  lBytePosition = lByteCount % 4 * 8;
	  lWordArray[lWordCount] = lWordArray[lWordCount] | 0x80 << lBytePosition;
	  lWordArray[lNumberOfWords - 2] = lMessageLength << 3;
	  lWordArray[lNumberOfWords - 1] = lMessageLength >>> 29;
	  return lWordArray;
	};

	var wordToHex = function wordToHex(lValue) {
	  var WordToHexValue = "",
	      WordToHexValueTemp = "",
	      lByte,
	      lCount;
	  for (lCount = 0; lCount <= 3; lCount++) {
	    lByte = lValue >>> lCount * 8 & 255;
	    WordToHexValueTemp = "0" + lByte.toString(16);
	    WordToHexValue = WordToHexValue + WordToHexValueTemp.substr(WordToHexValueTemp.length - 2, 2);
	  }
	  return WordToHexValue;
	};

	var uTF8Encode = function uTF8Encode(string) {
	  string = string.replace(/\x0d\x0a/g, "\x0a");
	  var output = "";
	  for (var n = 0; n < string.length; n++) {
	    var c = string.charCodeAt(n);
	    if (c < 128) {
	      output += String.fromCharCode(c);
	    } else if (c > 127 && c < 2048) {
	      output += String.fromCharCode(c >> 6 | 192);
	      output += String.fromCharCode(c & 63 | 128);
	    } else {
	      output += String.fromCharCode(c >> 12 | 224);
	      output += String.fromCharCode(c >> 6 & 63 | 128);
	      output += String.fromCharCode(c & 63 | 128);
	    }
	  }
	  return output;
	};

	function md5(string) {
	  var x = Array();
	  var k, AA, BB, CC, DD, a, b, c, d;
	  var S11 = 7,
	      S12 = 12,
	      S13 = 17,
	      S14 = 22;
	  var S21 = 5,
	      S22 = 9,
	      S23 = 14,
	      S24 = 20;
	  var S31 = 4,
	      S32 = 11,
	      S33 = 16,
	      S34 = 23;
	  var S41 = 6,
	      S42 = 10,
	      S43 = 15,
	      S44 = 21;
	  string = uTF8Encode(string);
	  x = convertToWordArray(string);
	  a = 0x67452301;
	  b = 0xEFCDAB89;
	  c = 0x98BADCFE;
	  d = 0x10325476;
	  for (k = 0; k < x.length; k += 16) {
	    AA = a;
	    BB = b;
	    CC = c;
	    DD = d;
	    a = FF(a, b, c, d, x[k + 0], S11, 0xD76AA478);
	    d = FF(d, a, b, c, x[k + 1], S12, 0xE8C7B756);
	    c = FF(c, d, a, b, x[k + 2], S13, 0x242070DB);
	    b = FF(b, c, d, a, x[k + 3], S14, 0xC1BDCEEE);
	    a = FF(a, b, c, d, x[k + 4], S11, 0xF57C0FAF);
	    d = FF(d, a, b, c, x[k + 5], S12, 0x4787C62A);
	    c = FF(c, d, a, b, x[k + 6], S13, 0xA8304613);
	    b = FF(b, c, d, a, x[k + 7], S14, 0xFD469501);
	    a = FF(a, b, c, d, x[k + 8], S11, 0x698098D8);
	    d = FF(d, a, b, c, x[k + 9], S12, 0x8B44F7AF);
	    c = FF(c, d, a, b, x[k + 10], S13, 0xFFFF5BB1);
	    b = FF(b, c, d, a, x[k + 11], S14, 0x895CD7BE);
	    a = FF(a, b, c, d, x[k + 12], S11, 0x6B901122);
	    d = FF(d, a, b, c, x[k + 13], S12, 0xFD987193);
	    c = FF(c, d, a, b, x[k + 14], S13, 0xA679438E);
	    b = FF(b, c, d, a, x[k + 15], S14, 0x49B40821);
	    a = GG(a, b, c, d, x[k + 1], S21, 0xF61E2562);
	    d = GG(d, a, b, c, x[k + 6], S22, 0xC040B340);
	    c = GG(c, d, a, b, x[k + 11], S23, 0x265E5A51);
	    b = GG(b, c, d, a, x[k + 0], S24, 0xE9B6C7AA);
	    a = GG(a, b, c, d, x[k + 5], S21, 0xD62F105D);
	    d = GG(d, a, b, c, x[k + 10], S22, 0x2441453);
	    c = GG(c, d, a, b, x[k + 15], S23, 0xD8A1E681);
	    b = GG(b, c, d, a, x[k + 4], S24, 0xE7D3FBC8);
	    a = GG(a, b, c, d, x[k + 9], S21, 0x21E1CDE6);
	    d = GG(d, a, b, c, x[k + 14], S22, 0xC33707D6);
	    c = GG(c, d, a, b, x[k + 3], S23, 0xF4D50D87);
	    b = GG(b, c, d, a, x[k + 8], S24, 0x455A14ED);
	    a = GG(a, b, c, d, x[k + 13], S21, 0xA9E3E905);
	    d = GG(d, a, b, c, x[k + 2], S22, 0xFCEFA3F8);
	    c = GG(c, d, a, b, x[k + 7], S23, 0x676F02D9);
	    b = GG(b, c, d, a, x[k + 12], S24, 0x8D2A4C8A);
	    a = HH(a, b, c, d, x[k + 5], S31, 0xFFFA3942);
	    d = HH(d, a, b, c, x[k + 8], S32, 0x8771F681);
	    c = HH(c, d, a, b, x[k + 11], S33, 0x6D9D6122);
	    b = HH(b, c, d, a, x[k + 14], S34, 0xFDE5380C);
	    a = HH(a, b, c, d, x[k + 1], S31, 0xA4BEEA44);
	    d = HH(d, a, b, c, x[k + 4], S32, 0x4BDECFA9);
	    c = HH(c, d, a, b, x[k + 7], S33, 0xF6BB4B60);
	    b = HH(b, c, d, a, x[k + 10], S34, 0xBEBFBC70);
	    a = HH(a, b, c, d, x[k + 13], S31, 0x289B7EC6);
	    d = HH(d, a, b, c, x[k + 0], S32, 0xEAA127FA);
	    c = HH(c, d, a, b, x[k + 3], S33, 0xD4EF3085);
	    b = HH(b, c, d, a, x[k + 6], S34, 0x4881D05);
	    a = HH(a, b, c, d, x[k + 9], S31, 0xD9D4D039);
	    d = HH(d, a, b, c, x[k + 12], S32, 0xE6DB99E5);
	    c = HH(c, d, a, b, x[k + 15], S33, 0x1FA27CF8);
	    b = HH(b, c, d, a, x[k + 2], S34, 0xC4AC5665);
	    a = II(a, b, c, d, x[k + 0], S41, 0xF4292244);
	    d = II(d, a, b, c, x[k + 7], S42, 0x432AFF97);
	    c = II(c, d, a, b, x[k + 14], S43, 0xAB9423A7);
	    b = II(b, c, d, a, x[k + 5], S44, 0xFC93A039);
	    a = II(a, b, c, d, x[k + 12], S41, 0x655B59C3);
	    d = II(d, a, b, c, x[k + 3], S42, 0x8F0CCC92);
	    c = II(c, d, a, b, x[k + 10], S43, 0xFFEFF47D);
	    b = II(b, c, d, a, x[k + 1], S44, 0x85845DD1);
	    a = II(a, b, c, d, x[k + 8], S41, 0x6FA87E4F);
	    d = II(d, a, b, c, x[k + 15], S42, 0xFE2CE6E0);
	    c = II(c, d, a, b, x[k + 6], S43, 0xA3014314);
	    b = II(b, c, d, a, x[k + 13], S44, 0x4E0811A1);
	    a = II(a, b, c, d, x[k + 4], S41, 0xF7537E82);
	    d = II(d, a, b, c, x[k + 11], S42, 0xBD3AF235);
	    c = II(c, d, a, b, x[k + 2], S43, 0x2AD7D2BB);
	    b = II(b, c, d, a, x[k + 9], S44, 0xEB86D391);
	    a = addUnsigned(a, AA);
	    b = addUnsigned(b, BB);
	    c = addUnsigned(c, CC);
	    d = addUnsigned(d, DD);
	  }
	  var tempValue = wordToHex(a) + wordToHex(b) + wordToHex(c) + wordToHex(d);
	  return tempValue.toLocaleUpperCase();
	}

	module.exports.md5 = md5;